Daewoo DTC-21Y1/21Y2 User Manual
Page 3

CP-520/520A/520F Service Manual
DTV R&D Europe
2
5.2.4.1 STEREO AND AV STEREO VERSIONS ........................................................... 36
5.2.4.2 MONO VERSIONS ............................................................................................ 36
5.2.5
CVBS and Y/C input signal selection ..................................................................... 36
5.2.5.1 ALL VERSIONS ................................................................................................. 36
5.2.6
Synchronisation circuit ........................................................................................... 37
5.2.7
Horizontal and vertical drive................................................................................... 38
5.2.8
Chroma, luminance and feature processing .......................................................... 38
5.2.9
Colour decoder ...................................................................................................... 39
5.2.10
RGB output circuit.................................................................................................. 40
5.2.11
I2C-BUS USER INTERFACE DESCRIPTION ....................................................... 42
5.3
GENERAL DESCRIPTION OF THE TV SOUND OF SOUND PROCESSOR.............. 42
5.3.1
Supported standards ............................................................................................. 43
5.4
FUNCTIONAL DESCRIPTION SOUND PROCESSOR ............................................... 44
5.4.1
The UOC III TV Sound Concept ............................................................................ 44
5.4.2
Functional Overview Of the digital controller sound part........................................ 45
5.4.3
Demodulator and decoder ..................................................................................... 46
6
SERVICE PARTS LIST ....................................................................................................... 49
6.1
DTY-28A8FZF-S........................................................................................................... 49
6.2 DTC-20T2FZS-S........................................................................................................... 54
6.3 DTC-21Y1FZF-S........................................................................................................... 59
6.4 DTZ-29U7FZS-S........................................................................................................... 64
7 EXPLODED VIEW ............................................................................................................... 69
7.1 DTY-28A8 ..................................................................................................................... 69
7.2 DTY-2880 ..................................................................................................................... 70
7.3 DTY-21U7 ..................................................................................................................... 71
7.4 DTC-20T2..................................................................................................................... 72
7.5 DTC-21Y1..................................................................................................................... 73
7.6 DTZ-29U7 ..................................................................................................................... 74
7.7 DTZ-2881...................................................................................................................... 75
7.8 DTZ-2481...................................................................................................................... 76
8 PRINTED CIRCUIT BOARD................................................................................................ 77
8.1 4859809693(CP-520) ................................................................................................... 77
8.2 4859809893(CP-520A)................................................................................................. 78
8.3 4859809993(CP-520F) ................................................................................................. 79
9 SCHEMATIC DIAGRAM...................................................................................................... 80
9.1 CP-520.......................................................................................................................... 80
9.2 CP-520A ....................................................................................................................... 81
9.3 CP-520F ....................................................................................................................... 82